Home / 47,894.71-71,846.39-18,312.80

Finding the Fourth Proportional to 47,894.71, 71,846.39 and 18,312.80

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Solution

The fourth proportional to 47,894.71, 71,846.39 and 18,312.80 is: 27,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894.71 : 71,846.39 = 18,312.80 : x
  2. Step 2: Convert to fraction form
    47,894.71/71,846.39 = 18,312.80/x
  3. Step 3: Cross multiply
    47,894.71x = 71,846.39 × 18,312.80
  4. Step 4: Simplify right side
    47,894.71x = 1,315,708,120.00
  5. Step 5: Solve for x
    x = 1,315,708,120.00/47,894.71
  6. Step 6: Final answer
    x = 27,470.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.